Jean did 17 sit ups on Monday, 19 sit ups on Tuesday, and 22 sit ups on Wednesday. If she continued at this rate, how many sit ups would she do on Sunday?
44 sit-ups on Sunday. It appears that the pattern is +1, +2, +3, and so on. 17 Monday 19 Tuesday 22 Wednesday 26 Thursday 31 Friday 37 Saturday 44 Sunday
